161684920 (number)

161684920 is an even 9-digits composite number following 161684919 and preceding 161684921. In scientific notation, it is written as 1.61684920 × 10^8. The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors. There are 64099840 positive integers (up to 161684920) that are relatively prime to 161684920.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million six hundred eighty-four thousand nine hundred twenty

Notation

Scientific notation 1.61684920 × 10^8
Engineering notation 1.61684920 × 10^6

Prime Factorization of 161684920

Prime Factorization 2 × 2 × 2 × 5 × 113 × 35771

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 40421230
Product of the distinct prime numbers

The prime factorization of 161684920 is 2 × 2 × 2 × 5 × 113 × 35771. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 5, 51, 19, 786, 188, 760, 868, 30940, 70727, 405364, 373856, 9080433, 6850839, 29151158, 41250173, 29851864, 442186371, 5053522200, 975198986

Basic calculations (n = 161684920)

Multiplication

n×y
n×2 323369840
n×3 485054760
n×4 646739680
n×5 808424600

Division

n÷y
n÷2 80842460
n÷3 53894973.333333
n÷3 40421230
n÷5 32336984

Exponentiation

ny
n2 26142013355406400
n3 4.2267693380078E+24
n4 6.8340486227425E+32
n5 1.1049626048442E+41

Nth Root

y√n
2√n 12715.538525757
3√n 544.78252973736
4√n 112.76319668117
5√n 43.826208771876

Divisors of 161684920

1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 35771, 71542, 143084, 178855, 286168, 357710, 715420, 1430840, 4042123, 8084246, 16168492, 20210615, 32336984, 40421230, 80842460, 161684920

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161684919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161684920 can be divided by 32 positive divisors. The sum of these divisors (counting 161684920) is 1, the average is 0.03125.

Base conversion 161684920

Base System Value
2 Binary 1001101000110001110110111000
3 Ternary 102021020110000101
4 Quaternary 21220301312320
5 Quinary 312342404140
6 Senary 24013245144
8 Octal 1150616670
10 Decimal 161684920
12 Duodecimal 461937b4
16 Hexadecimal 9a31db8
20 Vigesimal 2aaac60
36 Base36 2o9gvs

Cryptographic Hash Functions

md5 bf8f9b0e171dea8ae18f410e2219fe95
sha1 91d87ab0148e62126184e23c72165455039ef227
sha256 883b40ff8358571e94a691c042a88ad9ca3a2d9c87c52ddb1b5449c280e7bfa4
sha512 3d645ea6e2d2499c2213121eabdf07b6ef5684ecd08e5e757226cbfccaab6c1ac09ea4da4cf60e0e9c4e16c02b7f2fc13d74afe8e1a4e3494fdce4fcbe437a61
ripemd-160 d180482efeb93b90b7dc607015a85d6a5c63151f

161684920 as geometric shapes

Circle

Radius = n
Diameter 323369840
Circumference 1015896313.7365
Area 8.2127557107391E+16

Sphere

Radius = n
Volume 1.7705050000939E+25
Surface area 3.2851022842956E+17
Circumference 1015896313.7365

Square

Length = n
Perimeter 646739680
Area 26142013355406400
Diagonal 228657006.69521

Cube

Length = n
Surface area 156852080132438400
Volume 4.2267693380078E+24
Space diagonal 280046496.25771

Equilateral Triangle

Length = n
Perimeter 485054760
Area 1.1319823835927E+16
Altitude 140023248.12885

Triangular Pyramid

Length = n
Surface area 1.1319823835927E+16
Volume 4.9812954356945E+23
Height 76219002.231736